Description
Overview:
The Briggs & Stratton 799871 carburettor is a genuine OEM replacement for engines in the 122000 Series. Built for small petrol machinery, it restores the correct fuel-air mixture so engines start easily, idle smoothly, and pull well under load. The assembly uses a robust die-cast aluminium body with durable polymer throttle/choke components to withstand vibration and outdoor conditions. As a direct-fit unit, it matches the original mounting pattern and linkage points on Briggs & Stratton 122000 Series engines, helping resolve issues caused by wear, varnish, or debris in an old carb. Suitable for lawn and garden equipment as well as light construction tools powered by these engines, the 799871 keeps performance consistent while maintaining fuel efficiency and emissions control.
Key Features:
- Genuine Briggs & Stratton OEM part (799871) for 122000 Series engines
- Die-cast aluminium body for strength and corrosion resistance
- Precision metering for a correct fuel/air mixture and stable running
- Direct replacement using existing studs, gaskets, and linkages (check condition before re-use)
- Aids easy starting, smooth idle, and reliable performance under load
- Designed for common UK unleaded petrol (follow engine manufacturer fuel guidance)
- Built to handle vibration and outdoor use typical of garden and site machinery
- Helps reduce surging, stalling, and poor throttle response caused by a worn carb
Typical Applications:
Used on equipment powered by Briggs & Stratton 122000 Series engines, including walk-behind lawnmowers, scarifiers, tillers, small generators, pressure washers, and compact site tools. Suitable for routine maintenance or engine refurbishment by DIY users, landscapers, grounds teams, and tradespeople who need dependable day-to-day operation.
Also known as:
Carburettor, carb assembly, petrol carb, fuel mixer, engine carb, B&S 799871 carburettor, Briggs & Stratton carb, small engine carb. Sometimes referred to as a replacement mixer body or intake carb for 122000 Series engines.
Fits Models:
122000 Series
Alternate Part Numbers:
799871, BS799871
Product Specifications
| L&S Part No. | BS799871 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Briggs & Stratton |
| OEM No. | B799871 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Key Features | - Genuine OEM replacement for Briggs & Stratton 122000 Series engines - Die-cast aluminium body resists corrosion - Direct replacement using existing studs and linkages - Precision metering ensures correct fuel/air mixture - Suitable for UK unleaded petrol use |

